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Finding the Fourth Proportional to 401.53, 601.35 and 336.95

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Solution

The fourth proportional to 401.53, 601.35 and 336.95 is: 504.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    401.53 : 601.35 = 336.95 : x
  2. Step 2: Convert to fraction form
    401.53/601.35 = 336.95/x
  3. Step 3: Cross multiply
    401.53x = 601.35 × 336.95
  4. Step 4: Simplify right side
    401.53x = 202,621.88
  5. Step 5: Solve for x
    x = 202,621.88/401.53
  6. Step 6: Final answer
    x = 504.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.